
	.screen{
		width:690px;
		height:320px;
		overflow:hidden; 
		position:absolute;
		left:235px;
	}

	.screen li{ 
		width:690px; 
		height:320px; 
		overflow:hidden; 
		float:left;
	}
	.screen ul{ 
		position:absolute; 
		left:0px;
		height:320px;
		overflow:hidden;
		width:5000px;
	}
	.all ol{ 
		position:absolute; 
		right:0px; 
		bottom:10px;
		line-height:20px;
		text-align:center;
		list-style:none;
	}
	.all ol li{ 
		float:left; 
		width:20px; 
		height:20px; 
		background:#fff; 
		border:1px solid #ccc; 
		margin-left:10px; 
		cursor:pointer;
	}
	.all ol li.current{ 
		background:yellow;
	}